.blog_body {
    -webkit-column-count: 4;
    -webkit-column-rule: 1px solid #bbb;
    -webkit-column-gap: 2em;
    max-height: 80%;
}

#article_info .author {
    color: #333;
}

#article_info .title {
    color: red;
    font-weight: bold;
}